6697006667 has 4 divisors (see below), whose sum is σ = 7212161040. Its totient is φ = 6181852296.

The previous prime is 6697006651. The next prime is 6697006711. The reversal of 6697006667 is 7666007966.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6697006667 - 2⁴ = 6697006651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6697006637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257577167 + ... + 257577192.

It is an arithmetic number, because the mean of its divisors is an integer number (1803040260).

Almost surely, 2^6697006667 is an apocalyptic number.

6697006667 is a deficient number, since it is larger than the sum of its proper divisors (515154373).

6697006667 is a wasteful number, since it uses less digits than its factorization.

6697006667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515154372.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The square root of 6697006667 is about 81835.2409845538. The cubic root of 6697006667 is about 1884.9228408308.

The spelling of 6697006667 in words is "six billion, six hundred ninety-seven million, six thousand, six hundred sixty-seven".